Home / 79,208.16-109,306.20-43,396.08

Finding the Fourth Proportional to 79,208.16, 109,306.20 and 43,396.08

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Solution

The fourth proportional to 79,208.16, 109,306.20 and 43,396.08 is: 59,886.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,208.16 : 109,306.20 = 43,396.08 : x
  2. Step 2: Convert to fraction form
    79,208.16/109,306.20 = 43,396.08/x
  3. Step 3: Cross multiply
    79,208.16x = 109,306.20 × 43,396.08
  4. Step 4: Simplify right side
    79,208.16x = 4,743,460,599.70
  5. Step 5: Solve for x
    x = 4,743,460,599.70/79,208.16
  6. Step 6: Final answer
    x = 59,886.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.